Adjustable ladder extension



FIG. 1 is a perspective view of an adjustable ladder extension showing my new design;

FIG. 2 is a rear view of the adjustable ladder extension illustrated in FIG. 1;

FIG. 3 is a front view of the adjustable ladder extension illustrated in FIG. 1;

FIG. 4 is a left side view of the adjustable ladder extension illustrated in FIG. 1;

FIG. 5 is a right side view of the adjustable ladder extension illustrated in FIG. 1;

FIG. 6 is a top view of the adjustable ladder extension illustrated in FIG. 1; and,

FIG. 7 is a bottom view of the adjustable ladder extension illustrated in FIG. 1.

Any broken lines shown are for illustrative purposes only and form no part of the claimed designed. 

CLAIM The ornamental design for an adjustable ladder extension, as shown and described. 